{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "material", "manufacturing standard", "concept or principle", "machanical property", "machine or equipment"], "input": "The study found that both ultrasonic energy and surface roughness have a positive impact on the resulting shear strengths of the UAM fabricated structures ."}
{"engineering feature": [], "material": [], "manufacturing standard": [], "concept or principle": ["impact", "fabricated"], "machanical property": ["surface roughness", "shear strengths"], "machine or equipment": []}